by the by/bye

By the way, incidentally, as in “By the by, I saw your brother there as well.” The second by or bye in this archaic-sounding cliché originally denoted a side path, whence the current sense of “in passing.”

See also: by, bye

The Dictionary of Clichés by Christine Ammer

See also:

at this juncture/moment/point in time
be careful what you wish for(, it might (just) come true)
be a game of two halves
do not try this at home
a sight to behold
(it's) (all) Greek to me
be all Greek to someone
Greek to me
Greek to me, it's
it's all Greek to me

词组	by the by/bye
释义	by the by/bye by the by/bye By the way, incidentally, as in “By the by, I saw your brother there as well.” The second by or bye in this archaic-sounding cliché originally denoted a side path, whence the current sense of “in passing.” See also: by, bye The Dictionary of Clichés by Christine Ammer See also: at this juncture/moment/point in time be careful what you wish for(, it might (just) come true) be a game of two halves do not try this at home a sight to behold (it's) (all) Greek to me be all Greek to someone Greek to me Greek to me, it's it's all Greek to me
随便看	through and through through hell and high water through (one's) eyes through (one's) good offices throughout through rose-colored glasses through rose-coloured spectacles through somebody's good offices through the back door through the cracks through the eyes of somebody through the eyes of (someone) through the floor through the good offices of (someone) through the grapevine through the mill through the mill, to go/to be put through the wringer through thick and thin through with through with (someone or something) throw throw a bone throw someone to the dogs throw someone to the lions